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<div class="title">FontRasterizer.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;ft2build.h&gt;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;freetype/freetype.h&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;freetype/ftglyph.h&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;ftgl/Point.h&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;ftgl/Vectoriser.h&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#pragma warning(push, 0)</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &quot;poly2tri/poly2tri.h&quot;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;exception&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;cinder/gl/gl.h&gt;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &quot;cinder/Log.h&quot;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacepepr3d.html">pepr3d</a> {</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classpepr3d_1_1_font_rasterizer.html">   25</a></span>&#160;<span class="keyword">class </span><a class="code" href="classpepr3d_1_1_font_rasterizer.html">FontRasterizer</a> {</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structpepr3d_1_1_font_rasterizer_1_1_tri.html">   27</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structpepr3d_1_1_font_rasterizer_1_1_tri.html">Tri</a> {</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        glm::vec3 a, b, c;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    };</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    std::string mFontFile;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="keywordtype">bool</span> mFontLoaded = <span class="keyword">false</span>;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    FT_Library mLibrary;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    FT_Face mFace;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    FT_UInt mPrevCharIndex = 0, mCurCharIndex = 0;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    FT_Pos mPrev_rsb_delta = 0;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <a class="code" href="classpepr3d_1_1_font_rasterizer.html">FontRasterizer</a>(<span class="keyword">const</span> std::string fontFile) : mFontFile(fontFile) {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        mFontLoaded = <span class="keyword">true</span>;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        <span class="keywordflow">if</span>(FT_Init_FreeType(&amp;mLibrary)) {</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            CI_LOG_E(<span class="stringliteral">&quot;FT_Init_FreeType failed&quot;</span>);</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            mFontLoaded = <span class="keyword">false</span>;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        }</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <span class="keywordflow">if</span>(FT_New_Face(mLibrary, mFontFile.c_str(), 0, &amp;mFace)) {</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            CI_LOG_E(<span class="stringliteral">&quot;FT_New_Face failed (there is probably a problem with your font file\n&quot;</span>);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            mFontLoaded = <span class="keyword">false</span>;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        }</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    };</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    std::string getCurrentFont()<span class="keyword"> const </span>{</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keywordflow">return</span> mFontFile;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    }</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordtype">bool</span> isValid()<span class="keyword"> const </span>{</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        <span class="keywordflow">return</span> mFontLoaded;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    }</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    std::vector&lt;std::vector&lt;FontRasterizer::Tri&gt;&gt; rasterizeText(<span class="keyword">const</span> std::string textString, <span class="keyword">const</span> <span class="keywordtype">size_t</span> fontHeight,</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;                                                                <span class="keyword">const</span> <span class="keywordtype">size_t</span> bezierSteps);</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordtype">double</span> <a class="code" href="classpepr3d_1_1_font_rasterizer.html#a478acb4e2249fe8f6d548e7c850196af">addOneCharacter</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> ch, <span class="keyword">const</span> <span class="keywordtype">size_t</span> bezierSteps, <span class="keywordtype">double</span> offset, std::vector&lt;Tri&gt;&amp; outTriangles);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classpepr3d_1_1_font_rasterizer.html#add285bc72f4611f6f74811978b877d68">outlinePostprocess</a>(std::vector&lt;std::vector&lt;Tri&gt;&gt;&amp; trianglesPerLetter) <span class="keyword">const</span>;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keyword">static</span> std::vector&lt;p2t::Point*&gt; <a class="code" href="classpepr3d_1_1_font_rasterizer.html#ade535a9c18d7893a55d0520bee01b162">triangulateContour</a>(Vectoriser* vectoriser, <span class="keywordtype">int</span> c, <span class="keywordtype">float</span> offset);</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;};</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;}  <span class="comment">// namespace pepr3d</span></div><div class="ttc" id="namespacepepr3d_html"><div class="ttname"><a href="namespacepepr3d.html">pepr3d</a></div><div class="ttdoc">Fix for CGAL bugs in polygon with holes verification Contained in CGAL PR #3688, likely to be in 4....</div><div class="ttdef"><b>Definition:</b> CmdColorManager.h:9</div></div>
<div class="ttc" id="classpepr3d_1_1_font_rasterizer_html_ade535a9c18d7893a55d0520bee01b162"><div class="ttname"><a href="classpepr3d_1_1_font_rasterizer.html#ade535a9c18d7893a55d0520bee01b162">pepr3d::FontRasterizer::triangulateContour</a></div><div class="ttdeci">static std::vector&lt; p2t::Point * &gt; triangulateContour(Vectoriser *vectoriser, int c, float offset)</div><div class="ttdoc">The following code originated from https://github.com/codetiger/Font23D and was modified by the Pepr ...</div><div class="ttdef"><b>Definition:</b> FontRasterizer.cpp:79</div></div>
<div class="ttc" id="classpepr3d_1_1_font_rasterizer_html_add285bc72f4611f6f74811978b877d68"><div class="ttname"><a href="classpepr3d_1_1_font_rasterizer.html#add285bc72f4611f6f74811978b877d68">pepr3d::FontRasterizer::outlinePostprocess</a></div><div class="ttdeci">void outlinePostprocess(std::vector&lt; std::vector&lt; Tri &gt;&gt; &amp;trianglesPerLetter) const</div><div class="ttdef"><b>Definition:</b> FontRasterizer.cpp:29</div></div>
<div class="ttc" id="structpepr3d_1_1_font_rasterizer_1_1_tri_html"><div class="ttname"><a href="structpepr3d_1_1_font_rasterizer_1_1_tri.html">pepr3d::FontRasterizer::Tri</a></div><div class="ttdef"><b>Definition:</b> FontRasterizer.h:27</div></div>
<div class="ttc" id="classpepr3d_1_1_font_rasterizer_html"><div class="ttname"><a href="classpepr3d_1_1_font_rasterizer.html">pepr3d::FontRasterizer</a></div><div class="ttdoc">Used for triangulating a font outline.</div><div class="ttdef"><b>Definition:</b> FontRasterizer.h:25</div></div>
<div class="ttc" id="classpepr3d_1_1_font_rasterizer_html_a478acb4e2249fe8f6d548e7c850196af"><div class="ttname"><a href="classpepr3d_1_1_font_rasterizer.html#a478acb4e2249fe8f6d548e7c850196af">pepr3d::FontRasterizer::addOneCharacter</a></div><div class="ttdeci">double addOneCharacter(const char ch, const size_t bezierSteps, double offset, std::vector&lt; Tri &gt; &amp;outTriangles)</div><div class="ttdoc">The following code originated from https://github.com/codetiger/Font23D and was modified by the Pepr ...</div><div class="ttdef"><b>Definition:</b> FontRasterizer.cpp:90</div></div>
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